PHP-GTK/CouchDB PoC code to set status of an in/out board

in-out_gui.php

<?php

$couch_dsn = "http://localhost:5984/";
$couch_db = "inout";

// libraries come from http://github.com/dready92/PHP-on-Couch
require_once "../lib/couch.php";
require_once "../lib/couchClient.php";
require_once "../lib/couchDocument.php";
$client = new couchClient($couch_dsn,$couch_db);

class InOutGtk extends GtkWindow {
    public function __construct() {
        parent::__construct();
        $this->set_default_size(400,100);
        $this->set_title('In/Out Board');
        $this->connect_simple('destroy', array('gtk', 'main_quit'));
        $table = new GtkTable(4,2);
        $this->add($table);
        $lblName = new GtkLabel("Name:");
        $txtName = new GtkEntry($_SERVER["USER"]);
        $btnIn = new GtkButton('In');
        $btnIn->connect('clicked', array($this, 'statusButtonClick'), $txtName);
        $btnOut = new GtkButton('Out');
        $btnOut->connect('clicked', array($this, 'statusButtonClick'), $txtName);
        $table->attach($lblName, 0, 1, 0, 1);
        $table->attach($txtName, 1, 4, 0, 1);
        $table->attach($btnIn, 2, 3, 1, 2);
        $table->attach($btnOut, 3, 4, 1, 2);
        $this->show_all();
    }
    public function statusButtonClick($button,$uname) {
        // send message that we are in
        echo $uname->get_text()." ".$button->get_label()."\n";
        sendStatus($button->get_label(), $uname->get_text());
    }
}
function alert($msg) { 
    $dialog = new GtkDialog('Alert', null, Gtk::DIALOG_MODAL); // create a new dialog
    $dialog->set_position(Gtk::WIN_POS_CENTER_ALWAYS);
    $top_area = $dialog->vbox; 
    $top_area->pack_start($hbox = new GtkHBox()); 
    $stock = GtkImage::new_from_stock(Gtk::STOCK_DIALOG_WARNING,
        Gtk::ICON_SIZE_DIALOG); 
    $hbox->pack_start($stock, 0, 0); // stuff in the icon
    $hbox->pack_start(new GtkLabel($msg)); // and the msg
    $dialog->add_button(Gtk::STOCK_OK, Gtk::RESPONSE_OK); 
    $dialog->set_has_separator(false); // don't display the set_has_separator
    $dialog->show_all(); // show the dialog
    $dialog->run(); // the dialog in action
    $dialog->destroy(); // done. close the dialog box.
} 
function sendStatus($status, $uname) {
    global $client;
    if ($uname=='') {
        alert("Please enter your name!"); //popup message box
        return(1);
    }
    try {
        $doc = $client->getDoc($uname);
    } catch (Exception $e) {
        if($e->getCode()==404) {
            $doc = new couchDocument($client);
            $doc->set( array('_id'=>$uname, 'status'=>$status));
            alert("User didn't exist, created it and set status to $status");
            return(0);
        } else {
            alert("Something weird happened :".$e->getMessage()." (errcode=".$e->getCode().")");
            return(1);
        }
    }
    $doc->status = $status;
    try {
        $client->storeDoc($doc);
    } catch (Exception $e) {
        alert("Document storage failed : ".$e->getMessage()."<BR>");
    }
    alert("Set status to $status");
}
 
new InOutGtk();
Gtk::main();